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Finding the Fourth Proportional to 416,182.80, 624,274.20 and 179,986.80

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Solution

The fourth proportional to 416,182.80, 624,274.20 and 179,986.80 is: 269,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,182.80 : 624,274.20 = 179,986.80 : x
  2. Step 2: Convert to fraction form
    416,182.80/624,274.20 = 179,986.80/x
  3. Step 3: Cross multiply
    416,182.80x = 624,274.20 × 179,986.80
  4. Step 4: Simplify right side
    416,182.80x = 112,361,115,580.56
  5. Step 5: Solve for x
    x = 112,361,115,580.56/416,182.80
  6. Step 6: Final answer
    x = 269,980.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.